81785168

素因数分解:

$2^4\times {\mathrm{379}}^1\times {\mathrm{13487}}^1$

素因数の和:13874

約数の個数: 20

約数和(自身を含む): 158888640

約数和(自身を除く): 77103472

約数列:

[1, 2, 4, 8, 16, 379, 758, 1516, 3032, 6064, 13487, 26974, 53948, 107896, 215792, 5111573, 10223146, 20446292, 40892584, 81785168]

約数ペア:

[(1, 81785168), (2, 40892584), (4, 20446292), (8, 10223146), (16, 5111573), (379, 215792), (758, 107896), (1516, 53948), (3032, 26974), (6064, 13487)]